diff --git a/ChangeLog b/ChangeLog
index 8b004ce5b2..57fae73d58 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Sep  5 13:32:48 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* test/runner.rb: arguments should be keys.
+
 Fri Sep  5 12:09:55 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* test/ruby/test_system.rb (test_system): check existence of ruby
diff --git a/test/runner.rb b/test/runner.rb
index 969b56890b..8d1b9dc20c 100644
--- a/test/runner.rb
+++ b/test/runner.rb
@@ -36,7 +36,7 @@ runner = 'console'
 ARGV.options do |opt|
   opt.program_name = $0
   opt.banner << " [tests...]"
-  opt.on("--runner=mode", runners_map, "UI mode (console, gtk,fox)") do |arg|
+  opt.on("--runner=mode", runners_map.keys, "UI mode (console, gtk,fox)") do |arg|
     runner = arg
   end
   opt.parse!